OpenTechnical

OT-2026-000052464

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000052464) never changes.

Identity and time

Publication numberOT-2026-000052464 · never reused
Internal UUID01a0ae84-573a-71d5-b2ba-27de3cab5b1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052464
StatusPUBLIC

Content hashes

Canonical texta4e038d92a2ac39d00b45d6630b2bc4a0ecf7eea2e3dce9133a5ce568a6032b7
Markdown5ade9d805d8a72e85e729a83deb3a0ef85e8c3e6cae5c9468b51be91ee81c4d3
PDF
Publication pagee2127acb8e9f370f788990420a38b3d2acb754796396d0f751848ef2c97c7f6f
Manifest8fc58d6ffe3ffda8b9587344fd9eea7f2faa48f6793a6be722903095b8877f32

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureWjNiMpEmBbDPASkkwGTtgx2yUT7p+qqUY9UpNbX9w0glhoXQ1UCz7ACv9MZPB7oyKPkpflS1gSMn2+EkIMeCCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:05.476432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052464
observed e2127acb8e9f370f788990420a38b3d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:05.459934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052464/manifest.json
observed 8fc58d6ffe3ffda8b9587344fd9eea7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:05.442339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052464/publication.md
observed 5ade9d805d8a72e85e729a83deb3a0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:05.423147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052464/publication.txt
observed a4e038d92a2ac39d00b45d6630b2bc4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent